To solve for the first part:
\( \frac{3}{5} = 3 \div 5 = 0.6 \)
For the second part:
\( 1 \frac{3}{5} \) can be converted to an improper fraction.
To do this, multiply the whole number (1) by the denominator (5) and then add the numerator (3):
\( 1 \times 5 + 3 = 5 + 3 = 8 \)
So, \( 1 \frac{3}{5} = \frac{8}{5} \).
In decimal form, \( 1 \frac{3}{5} = 1.6 \).
So the answers are:
- \( 3 \div 5 = 0.6 \)
- \( 1 \frac{3}{5} = \frac{8}{5} \) or \( 1.6 \) in decimal form.